KR880003185U - Optical pickup drive - Google Patents
Optical pickup driveInfo
- Publication number
- KR880003185U KR880003185U KR2019860009831U KR860009831U KR880003185U KR 880003185 U KR880003185 U KR 880003185U KR 2019860009831 U KR2019860009831 U KR 2019860009831U KR 860009831 U KR860009831 U KR 860009831U KR 880003185 U KR880003185 U KR 880003185U
- Authority
- KR
- South Korea
- Prior art keywords
- optical pickup
- pickup drive
- drive
- optical
- pickup
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/0857—Arrangements for mechanically moving the whole head
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019860009831U KR900006117Y1 (en) | 1986-07-08 | 1986-07-08 | Operating apparatus for optical pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019860009831U KR900006117Y1 (en) | 1986-07-08 | 1986-07-08 | Operating apparatus for optical pick-up unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR880003185U true KR880003185U (en) | 1988-04-11 |
| KR900006117Y1 KR900006117Y1 (en) | 1990-07-06 |
Family
ID=19253502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019860009831U KR900006117Y1 (en) | 1986-07-08 | 1986-07-08 | Operating apparatus for optical pick-up unit |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR900006117Y1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021118153A1 (en) * | 2019-12-11 | 2021-06-17 | 최창균 | Device for controlling flow rate of circulating refrigerant of refrigerant circuit heat pump, and heat pump capable of efficient flow rate control of circulating refrigerant by using same |
-
1986
- 1986-07-08 KR KR2019860009831U patent/KR900006117Y1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021118153A1 (en) * | 2019-12-11 | 2021-06-17 | 최창균 | Device for controlling flow rate of circulating refrigerant of refrigerant circuit heat pump, and heat pump capable of efficient flow rate control of circulating refrigerant by using same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR900006117Y1 (en) | 1990-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E701 | Decision to grant or registration of patent right | ||
| REGI | Registration of establishment | ||
| FPAY | Annual fee payment |
Payment date: 19971229 Year of fee payment: 9 |
|
| LAPS | Lapse due to unpaid annual fee |